| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinrihe Chem | China national standards | MT | 899.79 | USD | 20250921 |
| Jinan Jinrihe Chem | China national standards | MT | 913.85 | USD | 20250921 |
| Shandong Daoqin Chem | China national standards | MT | 984.14 | USD | 20250921 |
| Jinan Xinbo Chem | China national standards | MT | 1124.73 | USD | 20250920 |
| Shandong Aite Chem | China national standards | MT | 1096.61 | USD | 20250920 |
| Shandong Aite Chem | China national standards | MT | 1096.61 | USD | 20250920 |
| Shandong Aite Chem | China national standards | MT | 1124.73 | USD | 20250920 |
| Shandong Aite Chem | China national standards | MT | 1096.61 | USD | 20250920 |
| Shandong Aite Chem | China national standards | MT | 1124.73 | USD | 20250920 |
| Shandong Haili Chem | China national standards | MT | 1124.73 | USD | 20250920 |